Journal
ORGANIC LETTERS
Volume 14, Issue 18, Pages 4790-4793Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol302086v
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Funding
- NSF [CHE-0809261, 1152020]
- Pfizer
- Corning Glass
- FSU
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1152020] Funding Source: National Science Foundation
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The catalytic regioselective hydroboration of propargylic alcohols and ethers was investigated using NHC-CuCl. We observe that different NHC-CuCl complexes catalyze hydroborations of propargylic substrates with opposite regioselectivity. A 6-NHC-CuCl complex provides alpha-selectivity whereas beta-selectivity is achieved using a 5-NHC-CuCl complex. The reaction tolerates a wide range of functional groups.
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